
7.3 Faults
All alarms, error messages and warnings triggered appear in text form on the
display of the constant temperature equipment. In-depth information about
heat transfer liquids can be found in the operating manual for the constant
temperature equipment.
Table 9: Warning
Code
Text in the display
Possible causes
User action
2206
Valve malfunction
n
Calibration of analog input 1 (4 – 20 mA)
or analog input 2 (0 – 10 V) in the flow
controller not OK.
n
Cable break of the lines to the control valve
n
Motor of the control valve defective
Contact the LAUDA depart-
ment.
The internal flow meter can be calibrated on site, if required. To do so,
contact LAUDA Service
Chapter 10.4 “Contact LAUDA” on page 30.
Flow meter calibration
V2
Flow controller MID 80
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